1
vote
1answer
58 views

What happens inbetween SMTP and POP3?

I understand SMTP, and to a lesser degree POP3, but I feel like I'm missing a large chunk inbetween. I see this image on a Microsoft page: and I feel like what I'm missing is the "Internet" part. ...
1
vote
1answer
22 views

Using Google Business Email simultaneously with other mail server for one domain

My partner is having some problems with delivering and receiving emails. They asked me to check Google Business Email, if it can provide a solution. My question is: Is it possible to split users into ...
-3
votes
1answer
37 views

Rainloop: arbitrary sender address? [closed]

I just set up my mailserver (Postfix as SMTP and Dovecot for IMAP) and as web frontend I use Rainloop - which also works very well! My setup is that I have only very few real users (actualy at the ...
-2
votes
1answer
40 views

How do I recieve incoming mail on an email address in Linux [closed]

Background: My department does a lot of communication using email to ask and answer questions. We have an internal StackOverflow type board set up but it's a headache for them to log in to the VPN and ...
0
votes
1answer
50 views

Ubuntu 14.04 Postfix Access denied

Sorry to write here I'm really using it as a last resort. I have recently got my hands on a dedicated server. I'm not good with linux (not at all), but I wanted to set up a full server (Web, mail, ...
0
votes
1answer
46 views

How to setup Postfix with Opendkim to automatically sign PHP emails?

I've found that: submitted emails are signed properly (ie those sent with MUA's like Outlook and Thunderbird) command-line sent emails are signed properly emails sent with PHP, in particular case ...
0
votes
1answer
29 views

Remove X-SA-Exim Headers from out going emails

I am using EXIM4 on Ubuntu 12.04 with Spamassassin for sending emails. Any emails will be relayed through Amazon SES service. But I want to hide the bellow headers in outgoing emails. ...
-1
votes
1answer
30 views

Unexpected failure, please try later (in reply to end of DATA command)

while trying to send emails to the following address some_user@f-gs.jazztel.es i always get the following error message. Could any one tell where can i look in order to find what's going wrong? This ...
0
votes
1answer
19 views

Dovecot login with username and no @domain.com extension

I have dovecot setup and working, but i can only login as a linux user without the @domain.com extension. e.g joe.bloggs is a user on the linux system. i can login using this as the imap username and ...
0
votes
0answers
106 views

send email from ubuntu: msmtp VS esmtp VS ssmtp (and nullmailer)

What are the main differences between these 3 packages that have a very similar name? msmtp VS esmtp VS ssmtp (and eventually nullmailer) Thanks
0
votes
1answer
37 views

DNS and mail server actions for restoring web access to mails

A domain name, say example.com, is registered to company ONE. The Address record of the DNS for that domain has been changed, to map example.com with an IP of a server of company TWO. Consequently, ...
0
votes
1answer
33 views

Daily block report from assp for each mail user

I want to automatically send daily block report from assp to each mail user. I've set the BlockReportFile parameter as: file:files/blockreportlist.txt My blockreportlist.txt has the following ...
-1
votes
1answer
101 views

My server does not listen to port 25, even though iptables allows smtp traffic [closed]

My public server accepts traffic and relays them to other machines on the network with iptables PREROUTING rules. I recently added a mail server at 192.168.1.10 and made its iptables rules to accept ...
1
vote
2answers
56 views

Simplest Way to Setup Email for Various Domains

I'm beginning to use Mandrill to send out transactional emails from my various domains. Now what I'd like is a way to receive these emails simply w/out setting up a mail server on my linux boxes. I'm ...
0
votes
1answer
59 views

'Please configure a fully qualified domain name' Error

I am running an nginx website on a virtual host and I am trying to set up iRedMail, but this is the error I get when running bash iRedMail.sh. < ERROR > Please configure a fully qualified ...
-2
votes
1answer
39 views

Email server domain name best practice [closed]

Is it a good idea to use a subdomain or an entirely different domain name for sending generated emails such as registration, password reset...? So that the main domain doesn't get marked for spam. ...
0
votes
2answers
79 views

What should I set in postfix's myhostname / mydestination?

I am using Ubuntu, on a web server need to send out email (via sendgrid), this server never receive any external email, and I've the following hostname settings /etc/hostname = example /etc/hosts = ...
-1
votes
1answer
80 views

Postfix + Mailq: Mailbox Full no bounce

I have a mail server and alot of clients. Some of my clients have many email accounts and dont use some of them. So, I have alot of mailboxes full, which receives dozens of emails every day. So, my ...
0
votes
1answer
35 views

Can I use the same domain to send outgoing only emails from another server?

The company currently uses gMail apps for incoming/outgoing emails. It has sending limits which I need to get around. Can I set up (say) postfix for outgoing only email on the local server? Can it ...
1
vote
1answer
65 views

Deliver email from local development server

I'm working on a website development and need to test some email stuff (send email to register users just me and I'm using my personal email address for this purpose). I'm not an expert so I only have ...
1
vote
1answer
121 views

Have Postfix bounce certain addresses with a custom message and forward all other messages to another server

We have a list of users who no longer have mailboxes in our Exchange environment. We want to have a very specific reply to these users with a possible custom variable. I thought Postfix would ...
0
votes
0answers
23 views

Poor IMAP performances

I'm experiencing very poor performances with my Mail Server when executing some specific and mandatory IMAP commands. Right now when I try to run the SELECT command on a folder with 4k+ email, the ...
0
votes
1answer
73 views

Allow sender spoofing for specific user on Postfix server with LDAP

So I have a Postfix server that authenticates users against an LDAP directory. This works great so far, but one of the mail adresses should be allowed to set another sender address. All users on ...
0
votes
1answer
250 views

Dovecot: no auth attempts in 0 secs (IMAP protocol)

I'm having a lot of problems configuring dovecot ony vps. I'm already able to send email using port 110 and to receive email using port 25, but I can't connect using port 993 and 995. I'm using ...
2
votes
1answer
49 views

Maximum length of MAIL FROM address

When sending out emails with a MAIL FROM address > 81 characters I receive bounce messages from some MTAs: 501 Syntax error - Badly formatted address. (in reply to MAIL FROM command) As soon as ...
0
votes
0answers
82 views

Centos/Postfix able to send mail but not receive it

I have set up postfix and used the mail command to test and an email was successfully sent and delivered. The email arrived in my yahoo inbox BUT the sender also recieved an email in the Maildir ...
0
votes
0answers
15 views

Email marked as spam, but I am not listed on blacklists [duplicate]

I have a problem with sending emails from my server. The problem is that when I send mails to external addresses such as gmail, hotmail, yahoo, etc, sometimes come to spam. For example, send a email ...
0
votes
0answers
23 views

global autoresponder google apps

We just migrate our main domain to a new one. (@olddomain.com -> @newdomain.com) Now we want that people who send emails to any account in @olddomain.com, receive automatically a message like "the ...
0
votes
0answers
11 views

SMESERVER: Mail not receiving, 550 v=spf1 a -all (suddenly appeared 5/21) [duplicate]

My situation is exactly the same - SMEserver 7.51 (yes I know I need to upgrade) been running for years and I get the same spf error message back just starting Wednesday afternoon(5/21). I also tried ...
0
votes
1answer
126 views

SMESERVER: Mail not receiving, 550 v=spf1 a -all

SMESERVER install has been working find for an age then this morning "The error that the other server returned was: 550 v=spf1 a -all", can anyone 'point' me in the right direction to resolving this ...
1
vote
1answer
194 views

User login URL for newkly installed Zimbra mail server

I have managed to install Zimbra 8.0.7 on my Ubuntu 12.0.4 LTS server (I had to rebuild my machine and reinstall the OS, so that no other servers other than Zimbra are running - how to reinstall ...
1
vote
1answer
402 views

Is it possible to receive inbound emails using Mandrill?

I am using Mandrill mail server for sending emails to users and I have my own domain added to Mandrill to send out mails. Suppose I have configured Mandrill to use info@mydomain.com to send out emails ...
0
votes
1answer
101 views

Unable to clear sendmail mqueue-client

drwxr-xr-x 2 smmsp smmsp 4.0K May 6 23:31 mqueue drwxrws--- 2 smmsp smmsp 29M May 8 10:40 mqueue-client As you can see mqueue-client is filled with 29 megabytes of unsent mail. This seems to ...
2
votes
1answer
48 views

IMAP Email issue - Not logging in with correct password

A little while ago, my email stopped working all of a sudden. The email is hosted on a cPanel server, and it seems to be just my accounts (I have 2 different emails, on 2 domains that are both not ...
0
votes
0answers
26 views

Microsoft servers blocking e-mails [duplicate]

I have developed a CRM that sends out e-mails using a simple PHP mail function. Sadly whenever an e-mail is sent to a Microsoft account, it does not appear. Not even in the spam folder. All other ...
0
votes
0answers
81 views

How to configure a dovecot cluster with non-shared storage

Dovecot has a Proxy service which allows to perform load balancing between Dovecot Backend servers. And there is a Director service which makes it easy to have temporarily user -> server mapping. ...
0
votes
1answer
86 views

Helo command rejected: Host not found - even though i don't have configured reject_unknown_helo_hostname

My Server is sending Registration-Success-Mails to our users. Most of them arrive, but recently one E-Mail to a specific domain remains in the mailq with the following error (host ...
-1
votes
1answer
44 views

Postfix record recipient if unable to deliver or bounced

Help would be greatly appreciated. I am not a server admin but I have been tasked with making a means of auto-removing a email recipient from the database containing a table with a list of emails, ...
4
votes
1answer
183 views

Mail Server Storage Backend: Filesystem VS Database

I am trying to compare mail server software to decide which to use at the ISP where I work. I'm confused mainly about which storage backend is better for such use (again, at an ISP, i.e expected large ...
1
vote
1answer
47 views

exim4 redirect router, fallback if redirected delivery fails

I run an exim4 instance that is the primary MX for my domain and receives email from the public Internet. Mail for my users is forwarded on to other email addresses - I use the redirect router and ...
-2
votes
1answer
189 views

Multiple mail servers for a single domain [closed]

Running a "DNS scan" to make sure my DNS zones are setup "correctly" led to the suggestion by the tool to run more than one mail server for redundancy. It got me thinking about how one would implement ...
0
votes
1answer
23 views

postfix multiple recipients for the one address

I'm running postfix on centos and in my /etc/postfix/address I have email@domain.com username which works and now I want two people to be on that list now. I've tried email@domain.com username, ...
0
votes
1answer
61 views

Setting MX entries for Failover [closed]

I have a GoDaddy domain as "example.com". I wanted to have my own DNS server for the sub domain secure.example.com. So I added a "A" record "NS" pointing to my IP and a NS record "Secure" pointed to ...
0
votes
0answers
10 views

How to add identity in dkimproxy?

DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=simpel-mailclient.com; h= from:to:subject:message-id:date; s=k1; bh=5eALQvUpOrW373J9iUFeZW p3Nag=; ...
-2
votes
1answer
40 views

Removing non-0 priority MX records

I have MX records set up as such: 0: domain.com (runs of the webhost, really bad) 1: GOOGLE ... google I somehow accidentally added the Google Apps mx servers, btu didn't change the priority 0 ...
1
vote
1answer
121 views

Spf passes or fails depending on receiver address

I have postfix with dovecot set up on Ubuntu 13.10. I send emails via a node application (using email-templates). If I send an email from noreply@mydomain.com to myacccount@gmail.com (email 1), the ...
0
votes
0answers
105 views

Adjust Authentication-Results header and verify DKIM reports are being send

i'm running OpenDKIM 2.9.1 through Postfix 2.11, using the following configuration. https://gist.github.com/sibok/97a8e33d5f7309b4fa1c As you can see i enabled DKIM reporting but i can't see any ...
0
votes
1answer
35 views

How to log mail client with Dovecot / Postfix

Does anyone know if it's possible to have Dovecot or Postfix output the mail client of a user? In Dovecot's variables list, I cannot find anything in that direction.
0
votes
0answers
37 views

Amavis sending Paypal payment emails to postmaster. Are they classified as spam/virus?

Some days ago i was reading some docs about amavis and decided to fine tune its configuration. As i'm new to amavis i probably setted some statements in the wrong way so last days i've been recieving ...
-1
votes
1answer
33 views

Is open relay to local users the right way to work on port 25?

today i was checking my server Postfix restrictions when i realized anyone who meets a very basic requirements like not being in a black list, also anyone who communicates to the server properly, etc. ...